a. A tiny round mark made by or as if by a pointed instrument; a spot.
b. Such a mark used in orthography, as above an i.
c. The basic unit of composition for an image produced by a device that prints text or graphics on paper: a resolution of 900 dots per inch.
A tiny amount.
In Morse and similar codes, the short sound or signal used in combination with the dash and silent intervals to represent letters, numbers, or punctuation.
Mathematics
a. A decimal point.
b. A symbol (·) indicating multiplication, as in 2 · 4 = 8.
Music A mark after a note indicating an increase in time value by half.
Computer Science A period, as used as in URLs and e-mail addresses, to separate strings of words, as in www.hmco.com.
verbdot·ted, dot·ting, dots verb, transitive
To mark with a dot.
To form or make with dots.
To cover with or as if with dots: “Campfires, like red, peculiar blossoms, dotted the night”(Stephen Crane).